210204402012 has 72 divisors (see below), whose sum is σ = 579956548080. Its totient is φ = 63665118720.

The previous prime is 210204401971. The next prime is 210204402019.

210204402012 is a `hidden beast` number, since 2 + 1 + 0 + 20 + 440 + 201 + 2 = 666.

210204402012 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×210204402012³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210204402019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 628164 + ... + 902772.

Almost surely, 2^210204402012 is an apocalyptic number.

210204402012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210204402012 is an abundant number, since it is smaller than the sum of its proper divisors (369752146068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210204402012 is a wasteful number, since it uses less digits than its factorization.

210204402012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276563 (or 276558 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

It can be divided in two parts, 210204 and 402012, that added together give a palindrome (612216).

The spelling of 210204402012 in words is "two hundred ten billion, two hundred four million, four hundred two thousand, twelve".